Lower limb power-assisted exoskeleton robot

By designing a lower limb exoskeleton robot that includes multiple assist mechanisms and simplified control methods, the problems of high self-weight, complex control and poor coordination among the existing technology are solved, and efficient and comfortable assisting effects are achieved.

CN119734242AActive Publication Date: 2025-04-01UNIV OF SHANGHAI FOR SCI & TECH +1
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Patent Information

Application Number
CN202411948184.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-04-01
Estimated Expiration
2044-12-27

AI Technical Summary

Technical Problem

The existing lower limb exoskeleton robots have problems such as significant self-weight, complex control methods, and poor coordination with the wearer.

Method used

A lower limb power-assisted exoskeleton robot including a box backrest assembly, a hip motion mechanism, a force sensing device, a thigh exoskeleton mechanism, a knee joint power-assisted mechanism, a calf exoskeleton mechanism, a foot assist mechanism and an adaptive binding device were designed. This design solves the above problems by simplifying control methods, reducing the weight of the equipment, and improving synergy and comfort with the human body.

Benefits of technology

The lower limb assist exoskeleton robot has achieved good wearable assist effect, high coordination with the wearer and simple control, which reduces the complexity and weight of the system, improves the coordination and responsiveness of the movement, and enhances the wearer's comfort.

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Abstract

The lower limb power-assisted exoskeleton robot comprises a box type backrest assembly, the two sides of the box type backrest assembly are connected with leg assemblies through hip joint movement mechanisms, and each leg assembly comprises a thigh exoskeleton mechanism, a shank exoskeleton mechanism and a foot power-assisted mechanism which are sequentially arranged from top to bottom; the thigh exoskeleton mechanism comprises a first end and a second end, the shank exoskeleton mechanism comprises a third end and a fourth end, the first end is connected with the hip joint movement mechanism, and the fourth end is connected with the foot assisting mechanism; and the second end and the third end are connected through a booster spring to form a knee joint booster mechanism. Compared with the prior art, the wearable assisting device has the advantages of being good in wearing assisting effect, good in cooperation with a wearer, easy and convenient to control and the like.
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